Stool



FIG. 1 is a perspective view of a design for a stool;

FIG. 2 is a front elevational view of the design as seen in FIG. 1, rear elevational view being identical;

FIG. 3 is a side elevational view of the design as seen in FIG. 1, other side elevational view being identical;

FIG. 4 is a top plan view of the design as seen in FIG. 1;

FIG. 5 is a bottom plan view of the design as seen in FIG. 1;

FIG. 6 is a perspective view of a design for a stool;

FIG. 7 is a front elevational view of the design as seen in FIG. 6, rear elevational view being identical;

FIG. 8 is a side elevational view of the design as seen in FIG. 6, other side elevational view being identical;

FIG. 9 is a top plan view of the design as seen in FIG. 6; and,

FIG. 10 is a bottom plan view of the design as seen in FIG. 6. 

CLAIM The ornamental design for a stool, as shown and described. 